Frye FONIX 8000 - Connector Board Block Diagram

18 Maintenance Manual
4.3.2 Connector Board Block Diagram
8000 Circuit Description
2010-10-27
Page 4 of 14
Connector Board Block Diagram
Module 1
connector
J3
Module 2
connector
J4
Connector to
Daughter
Board J5
RS232
Source A
MIC 1A&1B
Source B
RS232
MIC 2A&2B
Line In L&R
Ext Key
Mic In
SPI
External
Keyboard
Connector
J6
Chan
A
Atten
U15
ChanA
Power
Amp U4
ChanA
Source
Relay
Q1, K1
Chan
B
Atten
U16
ChanB
Power
Amp U5
ChanB
Source
Relay
Q2, K2
Shift
Register U3
6 Outputs
ChanA&B
Instrumentation
Amps U7, U8,
U9, U10
ChanA&B
Instrumentation
Amps U11, U12,
U13, U14
Line Input
Jack L&R
J1
Line In
Insrumentation
Amps U2, U6
Voice Mic
Input Jack
J2
Mic In
Insrumentation
Amp U1
RS232
Connector
from SBC
J9
RS232
Transceivers
U18 & U19
USB
RS232
Bridge
U20
USB Type B
Connector J7
USB Activity
LEDs D1
Type A USB
from SBC
J10
Dual Type A
Connector J8
-5V
Regulator
U17